IV, p. 441; Turczan. Fl. Baical.-Dahur. (1856, I) p. 18, no. 1300. Agrostis Michauxii Trin. 

 De Gramin. Uniflor. (1824) p. 206; Turczan. Cat. Baical. no. 1274. 



The culms of the specimens gathered are from 20 to 30 cm. high, very slender and 

 fine, frequently somewhat lax and weak. The leaves are to 1,5 mm. broad. It there- 

 fore seemed to have to be referred to f. flaccida Khyl. 1. c. 



In moist, subalpine meadows in woods in the Altaian. Specimens collected at the 

 end of July nearly done flowering. 



Distribution: Siberia, eastern Asia, Sakhalin, Japan, north-western part of North 

 America. 



Calamagrostis neglecta P. de Beauv. Ess. Agrostograph. (1812) p. 157; Ledeb. Fl. 

 Ross. IV, p. 428; Turczan. Fl. Baical.-Dahur. (1856, I) p. 25, no. 1310; Rpbut. $jr. Ajit. 

 VII (1914) p. 1597. Amndo slricla Turczan. Cat. Baical. no. 1283. 



On the borders of a small lake on an islet in the Yenisei, near Minusinsk, in moist 

 pastures on the Sisti-kem, near Ust Algiac, in moist meadows on the Bei-kem, near the 

 mouths of the rivers Kamsara and Tara-kem. 



Distribution: Arctic Islands, northern, central, and eastern Europe, Siberia, north- 

 ern Mongolia, eastern Asia, Sakhalin, Japan, North America, Greenland. 



Calamagrostis Langsdorffii (Link) Trin. De Gramin. Uniflor. (1824) p. 225; Turczan. 

 Fl. Baical.-Dahur. (1856, I) p. 23, no. 1306; Ledeb. Fl. Ross. IV, p. 430; JIhtbhhobi., 

 Calamagrostis Langsdorffii (Link) Trin. h 6jih3k. ^opMaxi-Bt Tpya. Bot. Mys. Hmnep. 

 Akes. HayKt, VIII, p. 50; KptiJt. $j. Ajit. VII (1914) p. 1598. Calamagrostis lanceolata 

 Ledeb. Fl. Alt. I, p. 86. Calamagrostis Halleriana f nutans Ledeb. Fl. Ross. IV, p. 

 431. Calamagrostis villosa Mutel var. Langsdorffii (Trin.) Hack, in Somm. N. G. B, 

 It. XXV (1893) p. 98. 



Scattered in moist meadows in woods, on the banks of rivers, and on the borders 

 of swamps. Rather common on islets in the river Abakan, at Kushabar, in the Amyl valley, 

 at Ust Algiac, on the banks of the river, at Ust Sisti-kem, in moist, grass-grown islets 

 in brush-wood in the Bei-kem, near the mouths of the rivers Kamsara and Tara-kem. 



The species occurs in a multitude of varieties, which hardly possess any systema- 

 tical value, connected as they are by intermediate forms. The glumes are partly comple- 

 tely glabrous, and partly pass through various intermediate types into forms with the 

 outer glumes finely and densely pubescent, and the sheaths vary from being quite 

 smooth to markedly rough. In subalpine pine-woods in the Altaian, I have gathered 

 specimens belonging to this species, distinguished by a more delicate and slender growth, 

 the panicle being shorter, poorer, and more flaccid, and the branches more spread and 

 open than in the typical form. The glumes are generally slightly and finely hairy (f. 

 gracilis). Taken flowering at the end of July. 



Distribution: The species is distributed over eastern Europe, Siberia, northern 

 Mongolia, eastern Asia, SakhaHn, Japan, North America. 



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